22221220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 57028608

約数和(自身を除く): 34807388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 67, 70, 92, 103, 115, 134, 140, 161, 206, 230, 268, 322, 335, 412, 460, 469, 515, 644, 670, 721, 805, 938, 1030, 1340, 1442, 1541, 1610, 1876, 2060, 2345, 2369, 2884, 3082, 3220, 3605, 4690, 4738, 6164, 6901, 7210, 7705, 9380, 9476, 10787, 11845, 13802, 14420, 15410, 16583, 21574, 23690, 27604, 30820, 33166, 34505, 43148, 47380, 48307, 53935, 66332, 69010, 82915, 96614, 107870, 138020, 158723, 165830, 193228, 215740, 241535, 317446, 331660, 483070, 634892, 793615, 966140, 1111061, 1587230, 2222122, 3174460, 4444244, 5555305, 11110610, 22221220]

約数ペア:

[(1, 22221220), (2, 11110610), (4, 5555305), (5, 4444244), (7, 3174460), (10, 2222122), (14, 1587230), (20, 1111061), (23, 966140), (28, 793615), (35, 634892), (46, 483070), (67, 331660), (70, 317446), (92, 241535), (103, 215740), (115, 193228), (134, 165830), (140, 158723), (161, 138020), (206, 107870), (230, 96614), (268, 82915), (322, 69010), (335, 66332), (412, 53935), (460, 48307), (469, 47380), (515, 43148), (644, 34505), (670, 33166), (721, 30820), (805, 27604), (938, 23690), (1030, 21574), (1340, 16583), (1442, 15410), (1541, 14420), (1610, 13802), (1876, 11845), (2060, 10787), (2345, 9476), (2369, 9380), (2884, 7705), (3082, 7210), (3220, 6901), (3605, 6164), (4690, 4738)]